class HelpTopicPluginController in Drupal 9
Same name and namespace in other branches
- 8 core/modules/help_topics/src/Controller/HelpTopicPluginController.php \Drupal\help_topics\Controller\HelpTopicPluginController
Controller for help topic plugins.
@internal Help Topic is currently experimental and should only be leveraged by experimental modules and development releases of contributed modules. See https://www.drupal.org/core/experimental for more information.
Hierarchy
- class \Drupal\Core\Controller\ControllerBase implements ContainerInjectionInterface uses LoggerChannelTrait, MessengerTrait, RedirectDestinationTrait, StringTranslationTrait
- class \Drupal\help_topics\Controller\HelpTopicPluginController
Expanded class hierarchy of HelpTopicPluginController
File
- core/
modules/ help_topics/ src/ Controller/ HelpTopicPluginController.php, line 21
Namespace
Drupal\help_topics\ControllerView source
class HelpTopicPluginController extends ControllerBase {
/**
* The renderer service.
*
* @var \Drupal\Core\Render\RendererInterface
*/
protected $renderer;
/**
* The Help Topic plugin manager.
*
* @var \Drupal\help_topics\HelpTopicPluginManagerInterface
*/
protected $helpTopicPluginManager;
/**
* Constructs a HelpTopicPluginController object.
*
* @param \Drupal\help_topics\HelpTopicPluginManagerInterface $help_topic_plugin_manager
* The help topic plugin manager service.
* @param \Drupal\Core\Render\RendererInterface $renderer
* The renderer service.
*/
public function __construct(HelpTopicPluginManagerInterface $help_topic_plugin_manager, RendererInterface $renderer) {
$this->helpTopicPluginManager = $help_topic_plugin_manager;
$this->renderer = $renderer;
}
/**
* {@inheritdoc}
*/
public static function create(ContainerInterface $container) {
return new static($container
->get('plugin.manager.help_topic'), $container
->get('renderer'));
}
/**
* Displays a help topic page.
*
* @param string $id
* The plugin ID. Maps to the {id} placeholder in the
* help.help_topic route.
*
* @return array
* A render array with the contents of a help topic page.
*/
public function viewHelpTopic($id) {
$build = [];
if (!$this->helpTopicPluginManager
->hasDefinition($id)) {
throw new NotFoundHttpException();
}
/** @var \Drupal\help_topics\HelpTopicPluginInterface $help_topic */
$help_topic = $this->helpTopicPluginManager
->createInstance($id);
$build['#body'] = $help_topic
->getBody();
$this->renderer
->addCacheableDependency($build, $help_topic);
// Build the related topics section, starting with the list this topic
// says are related.
$links = [];
$related = $help_topic
->getRelated();
foreach ($related as $other_id) {
if ($other_id !== $id) {
/** @var \Drupal\help_topics\HelpTopicPluginInterface $topic */
$topic = $this->helpTopicPluginManager
->createInstance($other_id);
$links[$other_id] = [
'title' => $topic
->getLabel(),
'url' => Url::fromRoute('help.help_topic', [
'id' => $other_id,
]),
];
$this->renderer
->addCacheableDependency($build, $topic);
}
}
if (count($links)) {
uasort($links, [
SortArray::class,
'sortByTitleElement',
]);
$build['#related'] = [
'#theme' => 'links__related',
'#heading' => [
'text' => $this
->t('Related topics'),
'level' => 'h2',
],
'#links' => $links,
];
}
$build['#theme'] = 'help_topic';
$build['#title'] = $help_topic
->getLabel();
return $build;
}
}
Members
Name | Modifiers | Type | Description | Overrides |
---|---|---|---|---|
ControllerBase:: |
protected | property | The configuration factory. | |
ControllerBase:: |
protected | property | The current user service. | 1 |
ControllerBase:: |
protected | property | The entity form builder. | |
ControllerBase:: |
protected | property | The entity type manager. | |
ControllerBase:: |
protected | property | The form builder. | 2 |
ControllerBase:: |
protected | property | The key-value storage. | 1 |
ControllerBase:: |
protected | property | The language manager. | 1 |
ControllerBase:: |
protected | property | The module handler. | 2 |
ControllerBase:: |
protected | property | The state service. | |
ControllerBase:: |
protected | function | Returns the requested cache bin. | |
ControllerBase:: |
protected | function | Retrieves a configuration object. | |
ControllerBase:: |
private | function | Returns the service container. | |
ControllerBase:: |
protected | function | Returns the current user. | 1 |
ControllerBase:: |
protected | function | Retrieves the entity form builder. | |
ControllerBase:: |
protected | function | Retrieves the entity type manager. | |
ControllerBase:: |
protected | function | Returns the form builder service. | 2 |
ControllerBase:: |
protected | function | Returns a key/value storage collection. | 1 |
ControllerBase:: |
protected | function | Returns the language manager service. | 1 |
ControllerBase:: |
protected | function | Returns the module handler. | 2 |
ControllerBase:: |
protected | function | Returns a redirect response object for the specified route. | |
ControllerBase:: |
protected | function | Returns the state storage service. | |
HelpTopicPluginController:: |
protected | property | The Help Topic plugin manager. | |
HelpTopicPluginController:: |
protected | property | The renderer service. | |
HelpTopicPluginController:: |
public static | function |
Instantiates a new instance of this class. Overrides ControllerBase:: |
|
HelpTopicPluginController:: |
public | function | Displays a help topic page. | |
HelpTopicPluginController:: |
public | function | Constructs a HelpTopicPluginController object. | |
LoggerChannelTrait:: |
protected | property | The logger channel factory service. | |
LoggerChannelTrait:: |
protected | function | Gets the logger for a specific channel. | |
LoggerChannelTrait:: |
public | function | Injects the logger channel factory. | |
MessengerTrait:: |
protected | property | The messenger. | 27 |
MessengerTrait:: |
public | function | Gets the messenger. | 27 |
MessengerTrait:: |
public | function | Sets the messenger. | |
RedirectDestinationTrait:: |
protected | property | The redirect destination service. | 1 |
RedirectDestinationTrait:: |
protected | function | Prepares a 'destination' URL query parameter for use with \Drupal\Core\Url. | |
RedirectDestinationTrait:: |
protected | function | Returns the redirect destination service. | |
RedirectDestinationTrait:: |
public | function | Sets the redirect destination service. | |
StringTranslationTrait:: |
protected | property | The string translation service. | 4 |
StringTranslationTrait:: |
protected | function | Formats a string containing a count of items. | |
StringTranslationTrait:: |
protected | function | Returns the number of plurals supported by a given language. | |
StringTranslationTrait:: |
protected | function | Gets the string translation service. | |
StringTranslationTrait:: |
public | function | Sets the string translation service to use. | 2 |
StringTranslationTrait:: |
protected | function | Translates a string to the current language or to a given language. |